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     3  +1 2014 jul 23curta mechanical calculatorThe CURTA Calculator Page - The Calculator ReferenceThe Curta Calculator simulation is a 3D re-creation of the original portable mechanical calculator , invented by Curt Herzstark. Unlike modern electronic ...
     4  +2 2014 jul 23phone number keypadKeyboard Trivia - The Calculator ReferenceWhy is the telephone touch-tone key pad arranged differently from the calculator key pad ? A theory we have often heard is that the phone  ...
     11  -3 2014 oct 03horsepower calculator by buildHP Personal Calculator Digest -- MicrocodeMicrocode: Electronic Building Blocks For Calculators ... The beauty of HP's calculator microcode is that 10-bit instructions are used and each usually performs a ...
     11  -2 2014 jul 25touch tone padsEven today, fast punchers can render a touch - tone phone worthless. Both the touch - tone key pad and the all-transistor calculator were made ...
     13  ~ 2014 jul 23hp calculator manualThe Hewlett Packard Calculator Page - The Calculator ReferenceTHE CALCULATORS OF HP POSTER 2 ... It now includes pictures of 115 HP calculators and 20 perpherals made .... o Excellent manual .
     17  +24 2014 jul 22faster poster listAfter 7 year from the publication of the original HP Calculator poster and over 1 year in the making, I am ... Very good quality poster , great service & communication, fast delivery: PERFECT! .... This page lists the following:.
     18  -2 2014 sep 15phone key padEven today, fast punchers can render a touch-tone phone worthless. Both the touch-tone key pad and the all-transistor calculator were made ...
     18  +4 2014 aug 30craig b hewletHewlett Packard Publications - The Calculator Referenceof Hewlett -Packard Company) ... Appendix B -- Principal HP-80 Equations (pp 8) ... by Douglas M. Clifford, F. Timothy Hickenlooper, and A. Craig Mortensen.
     19  -4 2014 jul 31cell phone key pads
     26  +9 2014 sep 10phone keypadA theory we have often heard is that the phone company intentionally reversed the ... Telephone keypads put the 1-2-3 on the top row.
     27  +16 2014 sep 13flash simulatorCurta- SimulatorCurta- Simulator . ... Jan Meyer's Curta Simulator . 0. FISBase v 1.0. 5. 6. 7. 1. 4. 3. 2. 8. 9. Curta Simulation . REVOLUTION COUNTER. RESULT ...
     28  +8 2014 sep 28still alive calculatorIt now includes pictures of 115 HP calculators and 20 perpherals made .... Summary, it's a step down from the 32sII but RPN is still alive .
     32  ~ 2014 jul 25spam hans pennerThe CURTA Collectors and Registry Page - The Calculator ReferenceSN 508978. Hans -Joachim Hoeft, hoeft(at)gisa.de, D-78727 Oberndorf
     36  +1 2014 aug 13death and taxes posterVCALC Poster Order Page - The Calculator ReferenceHere are links to some of my favorite posters that other people have ... " Death and Taxes " is a large representational graph and poster of the ...
     38  +4 2014 aug 12hewlett packard partsA look inside Hewlett - Packard's HP -11C - The Calculator ReferenceHewlett - Packard engineers have employed the latest packaging technology in designing the HP -11C, ... Figure 2 shows the major parts within the HP -11C.
     38  -26 2014 jul 18hp business calculatorIt now includes pictures of 115 HP calculators and 20 perpherals ... Ideal for real estate, finance, accounting, economics and business work.
     42  -4 2014 sep 12ten key by touchWhy is the telephone touch -tone key pad arranged differently from the ... All of the early calculators were ten rows high, and most were nine ...
     43  +58 2014 jul 31calculators for saleTHE CALCULATOR REFERENCECalculators , Telephones, Currency, Money. ... NOW SIX POSTERS ARE FOR SALE ! ... California residents please add $1.86 state sales tax.
     47  +49 2014 jul 28cell phone keypads
     50  +33 2014 aug 22early electrical postersmodern united states currency poster - The Calculator ReferenceThis poster was inspired by an old deck of cards from the early 60's ... of the original posters produced by Western Electric in 1965, 1967 and ...
     54  -26 2014 sep 11simulation flash
     56  +45 2014 oct 04pawn market explosionAll Curta parts are close to actual size and displayed in multiple exploded
     59  -17 2014 jul 21team net hpAfter 7 year from the publication of the original HP Calculator poster
     60  +11 2014 aug 27electronic mouse pad calculatorBoth the touch -tone key pad and the all-transistor calculator were made ... Before 1964, calculators were either mechanical or electronic  ...
     61  +40 2014 jul 28hp financial calculatorIt now includes pictures of 115 HP calculators and 20 perpherals made ... of handling the most complex and detailed financial calculations.
     62  -26 2014 aug 28pounds to pocket calculatorClifford Stoll - The First Pocket CalculatorYet it weighed more than 60 pounds . For a real pocket calculator , civilization would wait for Curt Herzstark. Born in 1902, Herzstark grew up around calculators .
     66  -13 2014 jul 27visibone everything bookForty some years later this amazing Poster and Book take the
     67  +34 2014 sep 24whats the fastest handheld computerVery good quality poster, great service & communication, fast .... the world's first handheld scientific calculator launched 35 years ago. ... For complex calculations a personal computer is the tool of choice for most people.
     67  ~ 2014 aug 27hp parts reference guideLast Update: June 6, 2012 -- THE HP REFERENCE .... o Sub-menu functions that you never need are moved to top keyboard level (32sII - PARTS and PROB menus). o Only 26 labels for ... A Guide to HP Handheld Calculators and Computers
     68  -7 2014 jul 28little professor calculatorTI Electronic Games - The Calculator ReferenceIt was similar to the Little Professor . First Watch 1979 INFO: A kids watch reading teacher Language Translator 1980 FUNCTIONS: MEMORIES: DISPLAY: ...
     69  -8 2014 aug 19phone keypad lettersWhy is the telephone touch-tone key pad arranged differently from the calculator key pad ? A theory we have often heard is that the phone company ... phone numbers contained only five digits, along with two exchange letters .
     69  +1 2014 aug 02plakat paris texasThis fabulous poster shows a detailed layout of the inner working of Curt Herzstark's amazing ... Robert -- Alpine, Texas USA ..... Musée des Arts et Métiers , Paris .
     69  +25 2014 jul 25arizona chile pepper posterThis fabulous poster shows a detailed layout of the inner working of Curt Herzstark's amazing machine.
     73  +28 2014 aug 03layout preis plakatThis fabulous poster shows a detailed layout of the inner working of Curt ..... or the main body needs work, the fee will be at the lower end of the price range.
     74  -7 2014 sep 12incredible connection demo saleThis page is BIG so go here only if you have a high speed connection or the time to spare. ... The CURTA company produced demo units for their sales force.
     78  ~ 2014 sep 26ti ti netEarly TI Calculators Accuracy - The Calculator ReferenceFor a couple of years, TI was the only calculator maker which used a wrong method for multiplication, ... The Calculator Reference by Rick Furr (rfurr@vcalc. net ) ...
     85  -9 2014 sep 27hans toolsCurta Tools From the Collection of Hans -Rudolf RoshardCurta Tool 001.JPG, Curta Tool 002.JPG 76.12 KB 640 x 480 3/3/2004. Curta Tool 002.JPG, Curta Tool 003.JPG 73.79 KB 640 x 480 3/3/2004. Curta Tool 003.
     85  +10 2014 jul 29calculate site popularityThe calculator will be popular and seems to be hopping off the college bookstore shelves. Now HP, repackage it in the Voyager series format!
     90  +6 2014 sep 12key board covers for hpsAfter 7 year from the publication of the original HP Calculator poster and
     95  +6 2014 aug 25tutorial dan sparepart. the calculator was assembled out of spare parts . ..... Here's a great article from Daniel F F Ford with a more precise method to determine the ...
     97  ~ 2014 sep 24phone setsHuman Factors Engineering Studies of the Design and Use of Pushbutton Telephone Sets . By R. L. DEININGER. (Manuscript received February 16, 1960). From the user's point of view, what are the desirable characteristics ...
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